Properties of segmented polyurethanes de
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Da-Kong Lee; Hong-Bing Tsai
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Article
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2000
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John Wiley and Sons
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English
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Various segmented polyurethane materials with a polyurethane hard segment (HS) content of 40 wt % were prepared by bulk polymerization of a poly(tetramethylene ether) glycol with M n of 2000, 1,4-butanediol, and various diisocyanates. The diisocyanates used were pure 4,4ะ-diphenylmethane diisocyanat